cleanup with clippy

1 files changed, 7 insertions, 2 deletions

diff --git a/src/dictionary.rs b/src/dictionary.rs
index b522c9e..e0a561a 100644
--- a/src/dictionary.rs
+++ b/src/dictionary.rs
@@ -6,6 +6,11 @@ pub struct Dictionary {
     data : HashMap<String, u64>,
 }
 
+impl Default for Dictionary {
+    fn default() -> Self {
+        Self::new()
+    }
+}
 
 impl Dictionary {
     pub fn new() -> Self {
@@ -25,9 +30,9 @@ impl Dictionary {
     }
 
     pub fn set(&mut self, name : String) {
-        if !self.data.contains_key(&name) {
+        if let std::collections::hash_map::Entry::Vacant(e) = self.data.entry(name) {
             self.last_index += 1;
-            self.data.insert(name, self.last_index as u64);
+            e.insert(self.last_index as u64);
         }
     }